From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 14 Jul 2011 13:57:27 +0000 (+0200)
Subject: ALSA: hda - Fix krealloc() replacement in hda_codec.c
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=00ef9610acf2a90b3e75096355b92ff34e7c8f74;p=~shefty%2Frdma-dev.git

ALSA: hda - Fix krealloc() replacement in hda_codec.c

It was obviously wrong, grr....

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 4afc6fcf0cd..f26e487eca1 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -4958,13 +4958,14 @@ void *snd_array_new(struct snd_array *array)
 	if (array->used >= array->alloced) {
 		int num = array->alloced + array->alloc_align;
 		int size = (num + 1) * array->elem_size;
+		int oldsize = array->alloced * array->elem_size;
 		void *nlist;
 		if (snd_BUG_ON(num >= 4096))
 			return NULL;
 		nlist = krealloc(array->list, size, GFP_KERNEL);
 		if (!nlist)
 			return NULL;
-		memset(nlist, 0, size - array->alloced * array->elem_size);
+		memset(nlist + oldsize, 0, size - oldsize);
 		array->list = nlist;
 		array->alloced = num;
 	}